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Pepperl + Fuchs VIATOR HART Modems

Viator® HART Modems are now Integrated into Pepperl+Fuchs HART Interface Solutions

What is the HART protocol?

The HART (Highway Addressable Remote Transducer) communication protocol is a hybrid analog+digital industrial automation open protocol. Its most notable advantage is that it can communicate over legacy 4–20 mA analog instrumentation current loops, sharing the pair of wires used by the analog-only host systems. HART is widely used in process and instrumentation systems ranging from small automation applications up to highly sophisticated industrial applications.  Due to the huge installation base of 4–20 mA systems throughout the world, the HART Protocol is one of the most popular industrial protocols today. HART protocol has made a good transition protocol for users who wish to use the legacy 4–20 mA signals, but wanted to implement a "smart" protocol.

What is a HART modem?

A HART modem creates an interface to exchange data between a HART network and your PC or handheld.

The term “modem” is short for Modulator and Demodulator, which is what a modem does. Modulation superimposes a digital wave onto an analog radio frequency (RF) wave.  Demodulation works in reverse—it separates the RF carrier wave from the digital data.  Modulation is the process of encoding information in a transmitted signal, while demodulation is the process of extracting information from the transmitted signal.

Viator® HART Modems have officially become a Pepperl+Fuchs branded product since August of 2015.  Formerly owned by MACTek, Inc., a leading provider of HART protocol devices. The BULLET, also a MACTek product, was previously integrated into the WirelessHART product portfolio.

Viator HART modems, formerly marketed under Pepperl+Fuchs MACTek Inc, are now being sold, shipped, and supported internationally by Control-Automation.  Bluetooth, RS-232, USB, and USB with PowerXpress™ Viator models are available, including an Intrinsically Safe Bluetooth version that is designed specifically for use in hazardous locations [HM-MT-BT-EX-010041].

A natural fit into HART product lineup, Jim Bolin of Pepperl+Fuchs’ had this to say about the Viator integration, “We are so pleased to officially add Viator HART modems to our existing HART portfolio," said Mr. Bolin, Pepperl+Fuchs' executive vice president of the Americas. "This integration complements our current product line and allows us to provide an even greater breadth of services to our customers, in the United States and now, globally."

HART Interface Solutions enable the transfer of additional process values and device status information from the field to the control room via the standard 4…20 mA loop. By applying this cost-effective technology, users gain more insight into their plant processes without the need to integrate additional transmitters and wiring. Viator provides HART Communication Foundation registered interfaces for affordable, reliable, and secure wireless communication between a PC host system and any HART field device.

The VIATOR HART Modem product lines include:

HM-MT-USB-010031, Viator USB HART Interface

HM-MT-USB-010031, Viator USB HART Interface

The Viator USB HART Interface is a HART modem that provides a flexible PC communication link to HART networks. It is used to commission, service, calibrate, and acquire data from any HART field device or transmitter. The interface is compact and rugged for field use.

  • HART compliant for communication with any HART field device and error-free slave testing
  • Draws power from USB port, needs no external supply to power modem
  • Compact, rugged polycarbonate housing for industrial-grade reliability
  • USB 1.1 compliant
  • Integrated connector cable terminates in 2 test clips and 1 USB connector cable
  • Polarity insensitive test clips
  • Compatible with 32- and 64-bit Windows® 7, 8, XP, 10, or Vista

HM-MT-USB-PWRX-010031P, Viator USB HART Interface with PowerXpress

Pepperl Fuchs, Viator USB HART Interface with PowerXpress, Model HM-MT-USB-PWRX-010031P

The Viator+® USB HART Interface with PowerXpress™ and a standard PC are all you need to commission, calibrate, and acquire data from any HART device. The HART modem interface supplies up to 40 mA of current to power the device. Power is drawn via the USB port, greatly simplifying field and bench commissioning of HART devices.

  • Quickly power and communicate with HART field devices
  • Powers all 2-wire HART devices, independent of supplier
  • Draws power from USB port, needs no external supply to power modem
  • Compact, rugged polycarbonate housing for industrial-grade reliability
  • Integrated connector cable terminates in 2 test clips and 1 USB connector cable
  • Selectable powered-modem or modem-only mode
  • Compatible with 32- and 64-bit Windows® 7, 8, XP, 10, or Vista

HM-MT-BT-GP-010040, Viator Bluetooth HART Interface

Pepperl+Fuchs, Model, HM-MT-BT-GP-010040, Viator Bluetooth HART Interface

The Viator® Bluetooth® Interface is a point-to-point HART modem for temporary connection to HART field devices. The modem is operated by replaceable AAA batteries and can operate for approximately 20 hours. It attaches to a HART field device with 18-inch leads and test clips. The PC host uses an internal Bluetooth interface or a USB-to- Bluetooth converter to communicate with the modem.

  • Interface for wireless communication between PC host and any HART field device
  • Registered with HART Communication Foundation
  • Powerful, high-speed Bluetooth with 100 m open-air range
  • Adaptive frequency hopping to reduce radio-frequency interference
  • HARTCommDTM software supports use with FDT Frame applications
  • Compatible with 32- and 64-bit Windows® 7, 8, XP, 10, or Vista

HM-MT-BT-EX-010041, Viator Bluetooth HART Interface (Intrinsically Safe

Pepperl Fuchs HM-MT-BT-EX-010041, Viator Bluetooth HART Interface

The Viator® Bluetooth® Interface is a Intrinsically Safe point-to-point HART modem for temporary connection to HART field devices. The modem is operated by replaceable AAA batteries and can operate for approximately 20 hours. It attaches to a HART field device with 18-inch leads and test clips. The PC host uses an internal Bluetooth interface or a USB-to- Bluetooth converter to communicate with the modem.

  • Interface for wireless communication between PC host and any HART field device
  • Registered with HART Communication Foundation
  • ATEX and IECEx approval
  • UL listed for North America
  • Powerful, high-speed Bluetooth with 100 m open-air range
  • Adaptive frequency hopping to reduce radio-frequency interference
  • HARTCommDTM software supports use with FDT Frame applications
  • Compatible with 32- and 64-bit Windows® 7, 8, XP, 10, or Vista

HM-MT-RS232-010001, Viator RS-232 HART Interface

Pepperl Fuchs Model HM-MT-RS232-010001, Viator RS-232 HART Interface Product Page

The Viator® RS-232 HART Interface provides a PC communication link to HART networks. It is a HART Modem used to commission, service, calibrate, and acquire data from any HART field device or transmitter. The interface is compact and rugged for field use.

  • HART compliant for communication with any HART field device and error-free slave testing
  • Easy installation
  • Draws power from RS-232 port, needs no external supply to power modem
  • Compact, rugged polycarbonate housing for industrial-grade reliability
  • Polarity insensitive test clips
  • Transformer isolation allows you to connect the interface across the load resistor or the field device
  • Compatible with 32- and 64-bit Windows® 7, 8, XP, 10, or Vista